storage plant
- storage plant的基本解释
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贮藏室, 储油场, 蓄能式水电站, 蓄能式水力发电厂
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Cold storage plant has more than 1000 square meters.
有冷库厂房1000多平方米。
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As the complete characteristic curves of reversible pump turbine are often used to calculate the instantaneous parameters, this paper studies the characteristic curve and the wicket closure and opening law in pumped storage plants.Chapter 1 presents the importance and the necessity of this study and reviews the previous related research on hydraulic transient process and valve regulation in pumped storage plants.Chapter 2 analyzes the six collected characteristic curves of reversible pumped turbine and studies their diversification from the point of view of specific speed. The six collected discharge and moment curves with maximum efficiency have been fitted to piecewise continuous curves. This curve-fitting procedure is listed.Chapter 3 takes Liyang Pumped storage plant as an example and analyzes the effect of different characteristic curves on regulation guarantee parameters and the variety of its trochoid during the same operation status.Chapter 4 takes three pumped storage plants with different heads as examples and studies the characteristic of coordinated closure with wicket gate and ball valve and its effect on dynamic pressure in the spiral case, inlet pressure in the draft tube and the rise of rotating speed.Chapter 5 summarizes this paper and point out what should be done in the future research.
由于在过渡过程分析计算中,需要频繁利用可逆式机组的全特性曲线推求机组的瞬时参数,所以本文就特性曲线及关闭规律问题进行了研究,其主要内容如下:第1章,指出本文研究的意义和目的,回顾前人对水力过渡过程、抽水蓄能电站及阀调节的研究成果,在此基础上提出本文的研究内容;第2章,针对收集到的六套特性曲线,从比转速的角度出发来研究可逆式机组特性曲线的变化规律;并对六套曲线的最高效率流量和力矩曲线进行分段拟合,得到各分段函数的具体形式,再通过举例说明最高效率曲线的拟合步骤;第3章,以溧阳抽水蓄能电站为实例,分析讨论不同比转速特性曲线对调保参数造成的影响及对于相同工况其轨迹线的变化;第4章,结合高、中、低三水头段抽水蓄能电站,在导叶直线关闭的基础上,研究导叶与球阀协联关闭规律的特点及对蜗壳动水压力、尾水管进口压力及转速上升造成的影响;第5章,总结全文,提出今后研究的重点和方向。
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The specifications for design of tailrace surge chamber at pumped storage plant are discussed in this paper,and the influence of wicket gate closing law,operactional regime layout of water conveyance system and pulsating pressure on the minimum negative pressure in draft tube is studied in connection with the actual operational and engineering calculating example of pumped storage plant.
对抽水蓄能电站尾水调压室的设计规范进行了探讨,结合可逆机组的实际运行情况与工程算例,研究了关闭规律、运行工况、输水系统布置方案以及压力脉动对尾水管内最小负压的影响,得到的相关结论可供抽水蓄能电站输水系统设计参考。
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bulk storage elevator:散装货物提升机
bulk range 喷射距离 | bulk storage elevator 散装货物提升机 | bulk storage plant 大型仓库
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bulk storage plant:大型仓库
bulk storage elevator 散装货物提升机 | bulk storage plant 大型仓库 | bulk storage 散装储存
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cold-storage hold:冷藏舱
cold-starting pump 冷态启动用泵 | cold-storage hold 冷藏舱 | cold-storage plant 冷藏装置